diff --git a/ReactCommon/jsi/jsi/decorator.h b/ReactCommon/jsi/jsi/decorator.h
index a2ce31a787f..2f2a4a915e5 100644
--- a/ReactCommon/jsi/jsi/decorator.h
+++ b/ReactCommon/jsi/jsi/decorator.h
@@ -337,6 +337,10 @@ class RuntimeDecorator : public Base, private jsi::Instrumentation {
     return plain().instrumentation().createSnapshotToFile(path, compact);
   }
 
+  bool createSnapshotToStream(std::ostream& os, bool compact) override {
+    return plain().instrumentation().createSnapshotToStream(os, compact);
+  }
+
   void writeBridgeTrafficTraceToFile(
       const std::string& fileName) const override {
     const_cast<Plain&>(plain()).instrumentation().writeBridgeTrafficTraceToFile(
diff --git a/ReactCommon/jsi/jsi/instrumentation.h b/ReactCommon/jsi/jsi/instrumentation.h
index 595e6889c1c..3a602e6b15b 100644
--- a/ReactCommon/jsi/jsi/instrumentation.h
+++ b/ReactCommon/jsi/jsi/instrumentation.h
@@ -6,6 +6,7 @@
  */
 #pragma once
 
+#include <ostream>
 #include <string>
 
 #include <jsi/jsi.h>
@@ -55,6 +56,15 @@ class Instrumentation {
   /// \return true iff the heap capture succeeded
   virtual bool createSnapshotToFile(const std::string& path, bool compact) = 0;
 
+  /// Captures the heap to an output stream
+  ///
+  /// \param os output stream to write to.
+  ///
+  /// \param compact Whether the JSON should be compact or pretty
+  ///
+  /// \return true iff the heap capture succeeded.
+  virtual bool createSnapshotToStream(std::ostream& os, bool compact) = 0;
+
   /// Write a trace of bridge traffic to the given file name.
   virtual void writeBridgeTrafficTraceToFile(
       const std::string& fileName) const = 0;
diff --git a/ReactCommon/jsi/jsi/jsi.cpp b/ReactCommon/jsi/jsi/jsi.cpp
index 90ec784ef2e..408b321c542 100644
--- a/ReactCommon/jsi/jsi/jsi.cpp
+++ b/ReactCommon/jsi/jsi/jsi.cpp
@@ -81,6 +81,10 @@ Instrumentation& Runtime::instrumentation() {
       return false;
     }
 
+    bool createSnapshotToStream(std::ostream&, bool) override {
+      return false;
+    }
+
     void writeBridgeTrafficTraceToFile(const std::string&) const override {
       std::abort();
     }